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Somebody on Stackoverflow posted some code from https://www.opensource.apple.com/

When I click this link in Firefox (36.0) it says "This Connection is Untrusted". But other people on that thread on Stackoverflow say they don't have a problem with the link.

But, apparently, some people, besides me, do have a problem with this link If even Apple cannot properly install certificate

When I check the certificate at https://www.digicert.com/help/?host=www.opensource.apple.com it says "Certificate does not match name www.opensource.apple.com"

Why do I get this warning when I visit https://www.opensource.apple.com/? Why do some people not get the warning? Is this something I should worry about or can I safely ignore this warning and move on?

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Looks like the certificate is only valid for opensource.apple.com, not www.opensource.apple.com:

www.opensource.apple.com uses an invalid security certificate.

The certificate is only valid for opensource.apple.com

(Error code: ssl_error_bad_cert_domain)

You can simply use the former.

  • 1
    But then why don't other people get the warning when using www.opensource.apple.com? Is the link they post somehow getting converted from opensource.apple.com to www.opensource.apple.com? – Z boson Mar 4 '15 at 8:50
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    I do not think that is the case. Maybe they ignored the warning by adding an exception, are using the http version, or using opensource.apple.com – user16793 Mar 4 '15 at 8:54
  • @Zboson. I vaguely recall that Internet Explorer is lax about certificate checking where the only difference is the www. – TRiG Mar 4 '15 at 15:50
  • @TRiG I just tested with IE11, and that's not the case. Perhaps earlier versions of IE were more lax (but I'm unable to test that at the moment). – Nick2253 Mar 4 '15 at 16:02
  • IE8 shows a certificate warning as well. – David Mar 4 '15 at 16:07

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